.box{
    width: fit-content;
    min-width: 510px;
    height: fit-content;
    
}
#page{
    width: 90%;
    height: auto;
    display: flex;
    justify-content: space-evenly;

}
h1,p{
    margin: 0;
}
.list,.search,.add{
    float: left;
    width: 100px;
    height: 50px;
    line-height: 50px;
    border: 1px solid gray;
    text-align: center;
    position: relative;
    
}
.list table{
    width: fit-content;
    min-width: 510px;
    border-spacing: 0px;
}
.list table td,.list th{
    border: 1px solid gray;
    height: 50px;
}
.list table tr:nth-child(2n){
    background-color: #cccccc;
}
.tab{
    min-width: 510px;
    height: fit-content;
    position: absolute;
    display: none;
    top: 50px;
    left: -1px;
    border: 1px solid gray;
    
}
.search .tab{
    left: -205px;
}
.add .tab{
    left: -103px;
}
#update .tab{
    left: -206px;
}
